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Comparison Sony Extra Bass SRS-XB21 vs Sony Extra Bass SRS-XB20

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Sony Extra Bass SRS-XB21
Sony Extra Bass SRS-XB20
Sony Extra Bass SRS-XB21Sony Extra Bass SRS-XB20
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from 1 849 ₴
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11
Main
Three sound modes: Live Sound, Extra Bass, Standard
Connection
Sources and media
Bluetooth v 4.2
mini-Jack (3.5 mm)
Bluetooth v 4.2
mini-Jack (3.5 mm)
Acoustic characteristics
Number of channels2.0 (stereo)2.0 (stereo)
Lines11
Speaker synchronizationSony Party ChainTWS
Impedance4 Ohm
Passive emitter
Output power8 W25 W
Frequency range20 – 20000 Hz20 – 20000 Hz
Codec support
AAC
LDAC
AAC
LDAC
Features
speakerphone
NFC
lighting effects
speakerphone
NFC
lighting effects
More features
handle / strap
 
Battery
Battery life12 h12 h
USB charging portmicroUSBmicroUSB
General
WaterproofIPX7IPX5
Materialplasticplastic
Size (HxWxD)72x193x65 mm68x198x69 mm
Weight530 g590 g
Color
Added to E-Catalogjanuary 2018january 2017

Speaker synchronization

The model supports the ability to synchronize the operation of several speakers connected to one signal source. This solution allows you to realize truly stereo sound, improve the quality and power of sound reproduction, and also expand the stereo panorama. The only thing is that both speakers must support the appropriate connection type. Different brands may have their own technologies for combining speakers (JBL Connect, JBL PartyBoost, Sony Party Chain), or maybe a universal TWS.

Impedance

Speaker system impedance to alternating current. Impedance matters primarily when connected to an external amplifier: if the impedance of the speaker system is less than that of the amplifier, distortion in sound is possible, if it is greater, the acoustics may sound quieter than we would like.

Output power

The total power of all channels of the speaker system. The higher the power, the larger the size of the room in which the audio system can be used, however, more powerful portable speakers usually have larger dimensions and weight.

More features

- LCD display. Such a screen makes device management more intuitive: it can display the operating mode, equalizer settings, battery level, etc.

- Remote control. Portable sound system can be equipped with wireless remotes operating in the IR range. The advantages of such equipment are obvious: the system can be controlled from a distance, without the need to approach it every time.

- Handle / strap. The presence of a handle or strap makes wearing the speaker more comfortable. So the handle is used mainly in large stereo speakers and makes them look like boomboxes ( radio tape recorders) of yesteryear. The strap can be used both for large speakers and for miniature ones, which allows you to hang them on your hand, on elements of a backpack, etc.

- Flashlight. Such a function most likely will not replace a high-end specialized flashlight. The power of the built-in flashlight is usually enough to illuminate at least a distance of 2 - 3 meters, and models with a bike mount (see above) can even play the role of a headlight (although, again, they are inferior to specialized bicycle lights).

Carabiner A latch-like device that allows you to attach the speaker to items of clothing, backpack straps, etc.

- ..."/en/list/41/pr-21630/">Sucker. Such a device makes it possible to securely fix the column on a flat surface and easily remove it from there. Suction cups are often equipped with waterproof models that can even be used in bathtubs and showers.

- Bike mount. A special device designed to fix the column on a bicycle - usually on the handlebars, at the user's fingertips. Such models are often complemented by a speakerphone function that allows you to talk on the phone without taking your hands off the steering wheel.

- Battery powered. Powered by replaceable elements (in the form of batteries or accumulators), usually AA or AAA. This option makes the speakers more autonomous - and, unlike the built-in battery, sockets are not required for such models, the main thing is to have a supply of fresh batteries on hand. At the same time, the batteries themselves are usually not included in the kit, they must be purchased separately; at the same time, the capacity of disposable batteries may turn out to be different (usually it depends on the price category), and elements in the form of batteries are expensive.

Waterproof

The presence in the design of the acoustics of a protected housing that prevents dust and moisture from entering the sensitive electronic filling. The specific degree of such protection in different models may be different — some speakers are able to endure even complete immersion under water ( waterproof), others are designed only for exposure to moderate rain. Therefore, the specifics of the protected case should be clarified separately according to the manufacturer's official data. However, anyway, such speakers will be more resistant to bad weather and better suited for outdoor use than those that do not have dust and water protection; therefore, if you are choosing acoustics for outdoor trips, it makes sense to pay attention to models with this function.

Some models with this feature are officially IP certified. The IP index includes two digits — for example, IP54. The first digit indicates the degree of protection against dust, the second — from moisture; the higher the number, the higher the corresponding degree of protection, detailed data can be found in special sources.
Sony Extra Bass SRS-XB21 often compared
Sony Extra Bass SRS-XB20 often compared